Self-developing magazine camera



July 26, 1949.

M. N. FAIRBANK SELF-DEVELOPING MAGAZINE CAMERA 2 Sheets-Sheet 1 Filed June 25, 1948 INVENTOR July 26, 1949. M. N. FAIRBANK SELF-DEVELOPING MAGAZINE CAMERA 2 Sheets-Sheet 2 Filed June 25, 1948 xNvENToR Patented July 26, 1949 UNIT-EU FFICE sELF-vEi-oiive'MGAZIN MurrvfNfFairlanki Belmcnt, Mas *Y lolaioilvv Corporatien;CambridgefMass, widerporation of Delaware Applicationj'une z5, 194s, ssrialrffgivi "5* 12 Claires This inventionrelates to' photoraphy and more particularly to novel photographicA apparatus', such as a camera,` of the typedescribed anni` claimed in the co'pending" applieati'on of'EdWin""' H. Land, Seria-1 N0. 35,142,711ed Julie 25, 1948, for

Photographic!aliparatu's.` vCamera'sof the typeL described in the above-'mentioned'copending 'ap'` plication are particularly'des'igneid'fer use with Y`A photographic film units comprising*a"photosen` sitive layer vcarried by'a base ""slieet';"anA imagen" carrying sheet superposed therewith" and a com' tainer positioned for discharge of' 'a contained A processing liquid' between said sheetsv Such a camera includes means for holding; one of the sheets stationaryinithe carriera, meansicr Inov-A ing the other sheet out of superposition with the'`V held sheet so as to permit exposure of. the photo- 1 sensitive layer carriedbv one ofthekshields, and

means for processing the exposed? photosensitivel layer by passing said uni-t between of pressure members whichl release theprccessing liquid Y from the container and spread this liquid between two sheets.

A principal object ofthe present invention is to provide a camera of-'th'e above type wherein-imm proved means are providedl for lhandling the lrn v l units in the camera.-

Another'object of the present Yinventicns to t provide a camera v*ofithe above' type including means4 for preventingiogging of' theiphotosensif tive layer clue to light reflected from the irnage-v i carrying sheet.

These and other objects :oithe inventioi'iv will in part be obvious and will in'part appear 'here-4 inafter. I y

The invention accordingly comprises the apparatus possessing the'construction, combination of elements and arrangement-off parts'fwhi'ch 'are exeinplied'in the following detailed disclosure, and the scope of the applicatiori ofwhich'will be indicated in the 'claims'. i For a fuller understanding Vof thenat'ure and objects of the invention, reference'. should lbe had to the following detailed-description taken in" connection with lthe 'accompanying "drawings:

wherein Figure -l is `a diagrammatic exaggerated sec tional View of one preferredform of 'camera ernbodying the invention;

Fig. 2 is a diagrammatic fragmentary sectional' view of Fig. 1 'taken' a'icngfthiine 4222;'v Y

Fig. 3`is adiagrammatic;ezaggeratedsecticnal sitive silver'jli'alidelay'ere lcarried;byja base sheet, "an image-'carrying sheetsufperposed with the vphoteserrs'itive' layer i adapted :to Abe exposed to 'i lightfThes 1'5' reaching' the' photosns'itiveiareajvhen the two sheets fare superpose 2,0 one of thesheetsU' comprsifngjsilver." Y 25 ratus' for"handl ingsliieh"a'lni unit s'oY as' to 'obtain the eiiposuref'of the photosensitiv'e layer While from the wnitsurfsce'jcfthe image-carrying ,3o

means for Holding such 'fa' film lh'it while the n'fj'lhere are 'also Va"'p'ortion of one of 35 Y A i l n i y said engaged"sheetout'ofsuperpos'ition with the ,other vsheetv 'whilethis other'sheet remai'n'ssta'- sheetahd the lens orllotheexposure means tc prevent light4 4"l1cfi'p'a'-s' sesthrough the exposure .n'lean'sgv ealchi'fgthe iifag-carryingV sheet. For processing" theiiposedlin unit! theie'is provided a'l processing" f a pair fpreissieapply ing a'photosensitivefsl:ieeti including-a photosen-V l l wo sheets lle von-o1 3y;nosit e sides or" the pho*tc'sensitivei-laj/"eri and preferably Vinclude opaque4 strata solasftolprevent'actinic A'light from ne v-pf` the sheets is hingediyjcorinectedito theother shfe'et so', as'to'be swung'out' ofsupepositio therewith to permit .exposurecf' jtlie plfiotose'i'rsitlvev layer Ycarried' by" invention theimage-carrying sheetA comprises a light, preferably "vhitej-surface i particularly` adapted toliave'formed'thereoir a positive imageV This invention "relate`sf primarii'yf'tothre1appa= v preventin'gfogg ngthereioffbyany lightreflected`r layer;` A* preferredfrformjof thecamera includes' photosensitive'fsheetj'and thfe image-carrying the tivos'hfeets 'ofj'tlreiilrn unit and for 'swinging' "pressure-applying surfaces being adapted to com# 3 press the iilm unit during advancement thereof between said surfaces so as to release the processing liquid carried by the container and to spread said liquid between facing surfaces of the exposed photosensitive sheet and the image-carrying sheet.

In one preferredlforin o f theinvention, the lm unit is held in the camera irl such a position that the photosensitive sheet thereof may be engaged by a means in the camera and swung from its normalposition into the focal plane ofthe camera while the image-carrying sheet is held stationary. In this form of the invention, the non-reliecting screen is preferably so arranged-vasto .be movedV into superposition with the stationarily held image-carrying sheet as a result of movement of the photosensitive sheet into the' focal plane. Such a form of the invention is shown in Figs'. 1- and 2 which illustrate one preferred type of handheld camera embodying the invention and which is particularly adapted for handling a plurality of film units in a magazine therefor. figures, a camera body I0 carries a lens and shutter assembly I2. A magazine holder I4 is preferably pivotally connected to the camera body as at I6 and holds a magazine I8, shown as containing a plurality of film units 20. The preferred type of film unit for use in the present invention comprises a photosensitive sheet 22, an imagecarrying sheet 24 and a container 25 Vsecured to sheet 24 and having therein aprocessing liquid. The two sheets of the film unit preferably are joined together as at 28 and a leader 30 is included for connecting one iilm unit to the succeeding lm unit. Each film unit preferably includes a trap 34 positioned at the opposite end ofthe film unit from the container, this trap being secured to sheet 24, for example, and having the function of trapping excess liquid released and spread from the container 26. Each photosensitive sheet 22 is preferably hingedly connected, as at 32, to the remainder of the film unit and each photosensitive sheet 22 also preferably includes portions adapted to be engaged by a means in the camera for swinging this sheet from its held rposition to the focal plane. In a preferred form, these portions comprise a pair of tabs 36 on each photosensitive sheet, these tabs being adapted to be engaged by a means, such as a pair of hooks 38. The tabs in each iilm unit are preferably lower than the tabs t in the preceding film unit. Thus tabs 35a, associated with the second film unt,'are lower than tabs 36, and tabs 36h, associated with the third film unit, are lower than tabs 36a. A backing plate 2l and a spring 23 are preferably included in magazine I8 for urging successive film units to the front of the magazine.

Each of the hooks 38 is carried by an arm d secured to a rod 4 I, this rod being provided with a suitable `handle (not shown). Each arm 40 has a slot 42 therein, each hook 3 8 being free to travel up and down in the slot 42, its downward motion being accomplished by a weak spring 44 and its upward motion being accomplished by a cam follower 46. Each cam follower V46 is controlled by a cam 48 pivoted around a pin 5i). The arm shown in Fig. 1 is the near arm, while the cam 48 is the far cam, the near cam being omitted from Fig. 1 for clarity of illustration. The cam 48 is free to rotate around the pin to the right, as seen in Fig. 1, but is unable to rotate to the left due to a stop 52. VA spring (not shown) normally biases the cam 48 to the left and into the position shown inFig.1.

In the form of the invention shown in Figs. 1

In these and 2, the non-reflecting screen comprises, for example, a cloth screen indicated at Sil as being rolled up on a spindle 56. For unrolling screen 54 there is provided a moving means which, in a preferred form, may have resilient portions. Such unrolling means are shown as a pair of tapes or bands litlwhich pass downwardlyalong the edges of the magazine to a pair of pulleys 60 at the loottom of the camera. Bands 58 pass around these pulleys E0, back to the top of the camera and around another pair of pulleys 62, the ends of the bands 58 being connected, through a resilient section 59, to va stud 64 near the upper end of arm dil. A spring 5G (Fig. 2) is provided on the screencarrying spindle 56 for the purpose of normally maintaining the screen in the rolled up condition shown.

For holding the photosensitive sheet 22 flat in the focal plane of the camera, there is provided a backing plate 65 supported by means such as rods 7U. For clamping the edges of the photosensitive sheet while it is supported on backing plate 68, there is included a holding clamp 'l2 mounted on a pivoted rod 74. An arm 'l5 on the end of rod 'lll is adapted to be engaged by a Vstud l5 on the end of swinging arm 40. A spring I8 biases the clamp 12 in either the dotted line or full line position shown in Fig. 2.

For processing the exposed photosensitive sheet, there is provided a processing means comprising, in the preferred form, a pair of pressure rolls Sil and 82, pressure roll being preferably supported by the camera housing lil and pressure roll S2 being preferably supported by the magazine holder I4. These rolls are thus separated when the magazine holder is movedwith respect to the camera housing for insertion of the magazine. Adjacent the pressure rolls Sli- 82, and eX- teriorly thereof, there is preferably provided a light-tight discharge opening 84 through which the processed film unit may be advanced from the camera.

In the use of the camera shown in Figs. 1 and 2, the magazine holder I4 is swung to the left around pivot I6, carrying roll B2 therewith. The magazine I8 is' then inserted in the holder le and the leader 3d, associated with the first film unit, is placed over roll 82. The magazine is then swung to closed position and that portion of the leader extending from the opening 55 is pulled to remove a cover sheet from the magazine. The camera is now loaded and ready for use. In the operation of the camera, assume that the arm di] is in the position shown in Fig. 2, with the cam follower 46 just about to reach the end of the cam ll. When the arm 4D is rotated slightly to the left of the position shown, hook 38 is moved above and in position to engage the tab 35 associated with the iirst photosensitive sheet 22 in the magazine. This movement of arm 40 to the left causes the cam follower 46 to pass oif the end of cam 43 and allows the spring d4' to pull the hook 38 down into engagement with the tcpmost tab in the magazine, i. e., the tab associated with the foremost film unit. When the hook 33 has engaged tab 35, the arm 4B is swung to the right, the cam follower 56 moving the cam i8 to the side and passing beyond the end thereof. As a result of swinging of arm 40, the bands 5 3, secured to the end thereof at 64, are placed under tension. Movement of bands 58 causes the screen 561 to be unrolled from the spindle 55 and to be moved into superposition with the image-carrying sheet held in the magazine I8. By thetime the arm 40 is swung completely to the right of Fig. 1, screen ers-reet J the asoirilpllshsd 153i Sie@ f mechanism l2- `Clmp1i$`t as ty sans the @nieuwe Y, au if move the Varm 1 6 int`-the f ull position shown in Fig. V2, The nnit's'tl r'c'essed by pulling on the-` leader 33 0 to aus'e the passaee vof the fllm'unitbetvven th fleas'ethliquisi 'freine this iiquidbeiyyeen the two sii ts ofthe nim' unit. when trie/'arm `149' moves tack to" engage the next pair of tabs on thew ding phtosensitive s lieeet,` cam` follovver`4`6 ages the 'riglrit-z hand side' of the snin ng ca and travels along the .riglfi'thand "side .thereof until 'it as su'mes the positie shown nFi'g'l. 'This novementof'thec'am ll'ovve'r igfthe return stroke of arm 4 1) raises the hol;` 13, xv0 Athat it Will be in position to dropdown and engfagthehighes't tab remaining in the film paci; and thus beV lable to move the negt't suc'eding phtosen'sitive 'sheet f. fa. also preferably heiirsece f the pnotosnsitife'sheet"online A flicking plate 58"'50 that, case faulty operati@ ftle'hooks or the swinging ar-njthisf ill `'be' indicated to the eamorause; Tais j prisesfin ione preferred.fanni: "roll 8'5vv'hichv extends i'ilrotlghftheV this r'd top of 'plate 63 -t'fo the' bot `o ftllf: 'outifde'of the vhousine I 0. 8'5 1s nornall'ybasedupweer by a was g a@ wier eind o f rod 86 does not normally protnucle from .the

"engages the upper d vrivvardly. fnp ft2 `isprovided pV 1.3 .totl 'dotted der a spring load. The rolls mayhayespacing rollers' assoeiated therewith, or jspaoj stripsniayiifdesired, be included on the surfac one' orbth of the ot actiate :the rodi When a positive image is desired on the surface ofthe "baryta image-Carmine sheet, "the 'liquid in container 2B may comprise 'an'agueousvisvcous alkaline solution of a'develt'ip-er' and a :silver halide solvent which is capableof developingel negative in the photosensitive'sheet and'o'f forming a positive thereof on the surface of the irriage carryingsheet.v

While one preferred engaging means has been shown in Figs. 1 and 2 itisi'snbject'to consid rable modinoation 'within the s ico'pe' or trie ngentio'n. It may, for examplefcoinpgise a pressure: sensitive adhesive 'strip secured to" the 'n'd'of arm' in place of hook 38.' Itrnay bea suction cup or a thum'btack, for example', mounted' on arm 4). Equally, the portion O/ lmunit 2Q to be engaged maybe considerably modified from the form shown. It may comprise rafmetfal strip, a loop'of Wire or string,'or"a protruding rivet, etc., 'in which casethe engaging `rneans, carried by arm Lil), is suitably modified to meet theA requirements of the particular case;

The nonreecting screen y54 and the means foi` actuating this screen may be subject to'oonsi'dei able modificatons'vvithout departing fro'rn'the scope of the invention. For` example, in the modification shown, the screen 54 is unrolled during operation till the 'leading end thereof reaches that portion of the photosensitive sheet 22 rwhich is supported by backing plate 68`, further movement of the screen ,54 being positively prevented by the backing plate 6,8 and the further travel of the arm 40 merely stretching the resilint'p or tion 59 of band 5S'. This control of the movement of screen 5 4 may be readily accomplished in numerous other ways such as providing a screen which is only long enough to reach to plate 68. Additionally, it is quite'feasible to'provide a lost motion mechanismas apart of the 'screenactuating means so that movement of the screen, Vfor example, may not commence until after considerable movement of the arm 40er so that movement of the screen may stop after a predetermined movement of thefarm 40'. In still another modification of the invention, pulley 60 may be placed slightly above the end of plate 68 so that the end of screen 54 may pass varound pulley 6U and, for the latter part of movement of arm 46, the leading end of screen 54 may travel upwardly. uIn still another modification of the invention, the screen 55 may bemadev so that it can be pushed into position instead of being pulled.y In this case, the leadingV end of screen 54 is pushed down into position by rotation of the spindle the band 58 being conveniently connected to spindle 5B to cause this rotation. Suitable other drive mechanismsv may be employed, such as a gear train, for example, driving ya spindle positioned in lieu of pulley 66, this gear train being driven as a result of rotation of arm 4E. Additionally, in less preferred forms of the invention, the screen 54 may be pulled Vdown by means such as aA spring, which spring is released from a catch so as to beV rendered effective atv some .part of 'the travel of the arm -All. Such releasing of the spring may be accomplished, for example, as by having th catch actuated by rotation of rod lil. Such a spring may be rewound manually or may be revvound, for example, by rotation of rolls 8S- 532. In still another and less preferred form of the invention, the screen 54 ,may be independently cperated or may be operated incidentally to some other operation of the camera, for example, 'the operation of theshiittermecl'ianlsin'.A In the various ihodiflsaiisls'f the irisation described above, the screen 54 may have the additional function of preventing actinic light from passing around the edges of image-carrying sheet 22 and thus'obviates the danger of fogging the photosensitive sheets remaining in the magazine.

Referring now rto Figs. 3 and 4, there is shown another modification of the invention wherein the image-carrying sheet is moved from superposition with the photosensitive sheet and wherein the non-reflecting screen is moved into superposition with the image-carrying sheet during the latter part of travel thereof. In these figures, |33 represents the camera body, this body supporting a lens and shutter |32, and having rear door |34 pivotally secured to the housing as at m5. The lm unit is shown generally at G6 and comprises a photosensitive sheet |33, an image-carrying sheet |||3 and a container H2, sheets |08 and lit preferably being secured together as at i I4 to provide a leader for the film unit. A clip I3 is preferably provided for holding the lm unit in the camera and for maintaining the image-carrying sheet normally in superposed relation with the photosensitive sheet. A clip-holding means, cornprising a pair of lugs H5, is provided on the camera body for holding the clip 3, lugs l5 and rear door |04 cooperating to hold the photosensitive layer flat inthe focal plane of the camera4 A pair of tabs I8 are preferably formed integrally with the image-carrying sheet i3, these tabs i i3 being adapted to be engaged by means in the camera for moving sheet I if! from superposition with the photosensitive sheet. This engaging means, in one preferred form, comprises a pair of hooks |20 carried by a pair of arms |24. A spring |26 engages a lug |23 on hook |23 and thus normally biases each hook |23 into the position shown. Hook |23 has a tapered end portion |22 which is of assistance in swinging the hook over and behind tab |43. For swinging the arms |24, by rotating a shaft |23 Yupon which arms |24 are secured, there is provided a handle |23 (Fig. 4) suitably connected to shaft |23.

For preventing reflection of light from the surface of image-carrying sheet H3, when it is in the position shown in Fig. 4, there is provided a pair of nonreiiecting screens, comprising bladelike members |39 and |3i, adapted to overlie the surface of sheet iid. Screen |313l is preferably secured V'to a Vrotatably mounted rod 432, which .rod has an actuating arm |34 secured thereto.

Screen ii is preferably mounted on a similar rod and has a similar actuating mechanism (omitted in the drawing). Referring particolari.;7 to Fig. V4, screen |33 is normally maintained in the dotted line position by means of an off-centered biasing spring iiii. .When the arm |24 is swung, from the position shown in Fig. 3 to the position shown in Fig. 4, a stud |33, carried by the end thereof, engages arm |34 and swings arm |34 from the dotted line position in Fig. 4 to the full line position, thereby rotating screen i3@ from the dotted line position to the full line position and thus covering half of the image-carrying sheet IIB. A suitable movement of the other screen |3| covers the other half of the sheet Hilf. An indicator 35, identical with that shownin Figs. 1 and 2, shows proper positioning of sheet Iiil on a plate i38. Y

For the purpose of processing the exposed photosensitive area, there is preferably provided a pair of pressure rolls |4 and i42 positioned adjacent a light-tight discharge opening |44. Roll |4il is preferably carriedY by housing |38 and may be mounted for movement away from roll |42 by operationof a suitable lever positioned outside of the camera. Roll |42 is preferably carried by rear door |04.

In the operation of the camera of Figs. 3 and 4, the rear door G4 is opened, thus separating rolls i4@ and |42. The clip IIS associated with one film unit is positioned in the clip holder H5 and the leader portion i4 of the lm unit is threaded between the rolls HiB-|42 and through the discharge opening |44. When the rear door |34 is closed, an envelope (not shown) may be removed preferably by first moving roll |4i] slightly away from roll |42, and pulling the envelope between the rolls. Roll |43 is then returned to the position shown. The arm |34 is actuated to move hook |23 into engagement with tab I8 and then arm |24 is swung to the right so as to move the image-carrying sheet into the dotted line position shown in Fig. 3, the latter part of this movement swinging the screens |30 and |3| into superposition with the image-carrying sheet Ilo. Exposure is now made and the arm 24 is preferably rotated slightly upwardly so as to rotate screens E33 and |3| out of contact with the image-carrying sheet H3. The film unit is then advanced between rolls E43 and |42, such as by pulling on the leader H4, so as to cause the release of the liquid from the container H2 and the spreading of this liquid between the exposed photosensitive sheet and the surface of the image-carrying sheet. After a suitable time, such as a minute, the imagecarrying sheet, having a positive image on its surface, is separated from the photosensitive sheet IB.

The camera of Figs. 3 and 4 may, if desired, have the lens |32 therefor positioned on the top wall of the camera, in which case the sheet H3 of the lm unit would be the photosensitive sheet and would be moved into the focal plane when sheet i o is brought down onto backing plate |33. With such a modification of the invention, the screens |33 and |3| could be mounted on rods whose axes were normal to plate |38. A rightangle driveV between such rod and rod |32, for example, would permit the swinging of screens |30 and |3| into superposition with the imagecarrying sheet held adjacent the door |314 as a result of operation of the actuating arm |34 by means of stud |33 carried on the end'oi swinging arm |24. Similarly, the camera of Figs- 1 and 2 may have its lens on the end of the camera instead of at the top as shown. In this case, the photosensitive layer is exposed while it is in the .magazine the backing plate 2i and spring 23 holding the photosensitive sheet hat in the focal plane. With such a modification of the invention, a screen similar to screen |351 of Figs. 3 and 4 may be swung from the right-hand end of the camera,as seen in Fig. l, down into superposition with thedmage-carrying sheet when this sheet has been brought down onto plate 68; Such a screen may be actuated by the movement of rod 74, connected through a right-angle drive, to the rod supporting the screen.

The various pressure rolls have been shown as being rotated as a result of movement of a nlm unit therebetween. These rolls may, however. be operated by a crank, a spring motor or other suitable' means, or other-propelling means may be provided in addition to the pressure rolls.

While a preferred type of film unit has been described wherein the two sheets of the lm'unit have light-opaque strata, such is not an essential requirement ofthe invention. This is particularly true in those cases where a dark chamber is provided adjacent the discharge openings 8d and H54l respectively;v or wherein a; iilmunit is discharged into an envelope positioned adjacent these discharge openings.

While several preferred photographicpprocesses have been mentioned above,v the invention is not limited thereto; The photosensitive material may comprise pliotosensitive compounds other than silver halides, for example; diazonium compounds or ferrie salts. Equally, they invention may be embodied in the form of an attachment to be added to existing cameras in place of the usual nlm paci: 'or' magazine holders supplied with such cameras. Although the invention has been shown in the preferred form as ay hand-held camera, it is equally adaptable for use with large cameras, for example,V large copying 'cameras or coin-controlled ca'm'eias wherein thepsequence of operation of various elements of the camera may be controlled automatically, as by the insertion of a coin. Thus; the invention is equally useful for automatic portrait studios.

Since certain changes may be made in the above apparatus without departing from the scope of the invention herein involved, it is intended that all matter contained in the above description or shown inthe accompanying drawings shall be interpreted Aas illdstrativ and not in a limiting sense. y, y

What is Vclaimed. is:

VV i. Camera apparatus for use with a composite 'film unit, said unit comprising a photesensitive "sitive silver halide layer '-oarrying sheet superada y xposed 'to nent, and a 4coni-amor indessen confining processing liquid and positioned Between said s 'adjacent an edge of said area, 'one fofjsaid `sheets being displace'able from superposition withr one other sheet to permiteirposuie of` aidp'h'o' sensitive area, said ap paratus "comprising, combination, means for holdingV said uniti/(1th 4,Said photosensitive 'sheet-and 'sajld image-carrying sheet superposed,

means LAproviding a 'discharg'ejopening througlry which said twofsnetsgr'a unitfmayp'efdiscnareed insipelpositionfroni said''ariera, 'means for en- 'g gings portionofone 'eresia sheets and swingsaidjenga'geu sheet ont of superp @einen 'with means for nrovin'gsaid screen :into iight-excludingrelationshipwithespecttosaid*image-carry- 'sheiea and means "comprising a pair of pressure-appiylngsrfaoes mounted adjacent said discharge operiiii'gfsiidsurfaces being adapted to I 3o'mprefss said'lilmf'uriit during Vadvanceinent of iinit 'between"said'surfaces, progressive subjectionof' saidcomp'site"unittoy compression pro- 'viding 'release*ofsaidprocessing*liquid from said foont'aineiard 'Spreading of "sa'id liquid "between facing 'surfaces ffsaid 'exposed photosensitive sheet and" said'image1carrying` sheet.

2. Camera Aapparatusior'use with a composite nlm unit, said unit ;`,comprisng a f photosensitive V.sheet 'includiriga photils'ensitivey silver halide layer vcarried by a base-,1 aniimage-carrying sheet super- 'posed with an area ofsaidnphotosenstive layer adapted to be exposed'toilight, and a container Iieleasably confining'aprocessing liquidVV and posi- A'tioned"betweenjsaidsheets-iadjacont an edge of said photosnsitive layer i other "s'lie't vvhile js'aid Vvother sheet is 4heidj aus when isaidsheets 'aie'outof superposition, Y

said area, one of said sheets being displaceable from superposition with th other sheet to permit exposure o said photos'i'isitiiie' ar'a, said apparatus comprising', incoiiitio, ieans for holdsaid film unit with snd photsensitive sheet and said image-carrying sheet vs ui'nerposed, means viding a discharge peiiiiigfthoigh which said two sheets 'of a unit may be disoharged in superposition from said caer, i'es for engaging a ""'on of one of said sheets and swinging said gaged sheet outef supefps'itlon with said other sheet while said otliei she-et is Yield stationary, lens means for exposing said ihotses'itive area When said sheets are out of superposition, a nonreecting screen positionable between said image-carrying sheet and said lens means when said sheets out of superposition, ns for moving said screen into light-eiiolidg relationship with respect to said image-carrying sheet, said lastnamed means being rendered operative, as the result of moving said engaging means, and means comprising a pair of pressure-applying surfaces mounted adjacent said discharge opening, said surfaces being adapted to compress said lm unit during advancement ci sid unit between said surfaces, progressivesulojction of said composite unit to compression providing release of said processing liquid from said container and spreading of said liquid lzve'twee'ufacing surfaces of said exposed photosensitive sheet and said image- Icarrying sheet. Q

3. Camera apparatus foi' use with a composite lm unit, said 'unit comprising a. photosensitive sheet including a photo'snsl'tive silver halide layer carried by a base, ain image-carrying sheet superposed with ail area of ,said photosen'stive layer adapted to be exposed to light, and a container releasably confining a .processing liquid and positioned betveeh 'said sheets adjacent an edge of said area, one vo'i 'said .Sheets being displaceable from superpositlon'with'the other .sheet to permit exposure 'of v"said photo'sen'sitve area, said apparatusfcompii' vng,inc`o"`ir'1bination, means for holding said lmltwlthsaid photosensit'ive sheet and said image-oairyiig `sheet superposed, means for engaging apiition di one 'of said 'sheets and swinging "said engaged 'sheet out of superposition With Said other ASh'e'flhil'e Said other Sheet is held stationary, le'rs hens for exposing said photosensitive areawhen Said 'Sheets yare out of superposition, 'a nonrefi'ectiig screen adjacent said holding meaisjiiiearsdfmvihg said screen into superposition 'with 'salfd "image-'carrying sheet, and Vmeans comprising a lp'air idf v,pressureapplying surfaces frio'iin'ted adjacent said holding means, said surfaces roeir'g adap'tedlto 'compress said lm unit duriri'gadvfncenient o'f said unit between said surfaces, p'fcfessivesubjeotion `of vsaid composite unit to copfession lp'oviding'release of said proc'es'singlidiiidfrom'sid 'container and spreading -of said liqiid between facing surfaces of said exposed .'-plitsesl'tlve slreet rand said image-carrying sheet.

4. Camera apparats'or"dse'with a `composite iilm unit, said unit comprising 'aiphotosensitive sheet including Fa plotosnsitive Silver halide layer carried by ai'bsef'animageicarrying sheet superposed with Y an 'area -'f;A said ,photosensitive layer adapted to'be egpsdlztoliglit, and. a container releasably lc'oig #alprocessing liquid and positioned betweensi'd-'shets adjacent an edge of said area, one #of Saidsheetslbeing displaceable fromY superposition with the other sheet to permit exposure wof` saiiphotosensitive area,

-said apparatus V-ooinpr'sig, in combination,

means for holding said lmunit with said photosensitive sheet andV said image-carrying sheet superposed, means for engaging a portion of said photosensitive sheet and swinging said photosensitive sheet out of superposition with said imagecarrying sheet while said image-carrying sheet is held stationary and for moving said photosensitive sheet into exposureposition in said camera, lens means. for exposing said photosensitive area when said sheets are out Vof superposition, a nonreiiecting screen adjacent said holding means, means for normally' maintaining said screen rolled up, means for unrolling said screen, an operative connection `between said sheet-moving means andj said unrolling means to cause unrolling of said screen as a result of movement of said photosensitive sheet into exposure position, and means comprising a pair of pressure-applying surfaces mounted adjacent said holding means, said surfaces being adapted to compress said film unit during advancement of said unit between said surfaces, progressive subjection of said composite unit to compression providing release of said processing liquid from said container and spreading of said liquid between facing surfaces of said exposed photosensitive sheet and said image-carrying sheet;

5. Camera apparatus for use with a composite nlm unit, said unitv comprising a photosensitive sheet including a photosensitive silver halide layer carried by a base, an image-carrying sheet superposed with an area of said photosensitivelayer adapted to be exposed to light, and a container releasably confining a processing liquid and positioned between said sheets adjacent an edge of said area, one of said'sheets being displaceable from superposition with the other sheet to permit exposure of said photosensitive area, said apparatus comprising, in combination, means for holding said nlm unit with said photosensitive sheet and said image-carrying sheet superposed, means for engaging a portion of said photosensitive sheet and swinging said photosensitive sheet out of superposition with said image-carrying sheet while said image-carrying sheet is held stationary and for moving said photosensitive sheet into exposure position in said camera, lens means for exposing said photosensitive area when said sheets are out of superposition, a nonreilecting screen adjacent said holding means, means for normally maintaining said 'screen rolled up, means for unrolling said screen, an operative connection between Ysaid sheet-moving means and said unrolling means to cause unrolling of said screen as a result of movement of said photosensitive sheet into exposure position, said operative connection'rbeing arranged so as to be rendered operative during at least part of the movement of said movingmeans, and means comprising a pair of pressure-applying surfaces mounted adjacent said holding means, said surfaces being adapted to compress said film unit during advancement of said unit between said surfaces, progressive subjection of said composite unit to compression providing release of 'said processing liquid from saidcontainer and spreading of said liquid between facing vsurfaces of said exposed photosensitive sheet and said image-carrying sheet.

6. Camera apparatus for use with a composite film unit, said unitV comprising a photosensitive sheet including a photosensitive silver halide layer carried by a base, an image-carrying sheet superposed with an area of said photosensitive layer adapted to be exposed to light, and a container releasably confining a processing liquid and positioned -between said sheets adjacent an edge of said area, one of said sheets being displaceable from superposition with the other sheet to permit exposure of said photosensitive area, said apparatus comprising, in combination, means for holding said lm unit with said photosensitive sheet and said image-carrying sheet superposed, means for engaging a portion of said photosensitive sheet and swinging said photosensitive sheet out of superposition with said image-carrying sheet while said image-carrying sheet is held stationary and for moving said photosensitive sheet into exposure position in said camera, lens means for exposing said photosensitive area when said sheets are out of superposition, a nonreflecting screen adjacent said holding means, means for normally maintaining said screen rolled up, means for unrolling said screen, means for rendering said unrolling means effective to cause said screen to be unrolled so as to be superposed with said image-carrying sheet, and means comprising a pair of pressure-applying surfaces mounted adjacent said holding means, said surfaces being adapted to compress said film unit during advancement of said unit between said surfaces, progressive subjection of said composite unit to compression providing release of said processing liquid from said container and spreading of said liquid between facing surfaces of said exposed photosensitive sheet and said image-carrying sheet.

7. Camera apparatus for use with a composite fil-m unit, said unit comprising a photosensitive sheet including a photosensitive silver halide layer carried by a base, an image-carrying sheet superposed with an area of said photosensitive layer adapted to be exposed to light, and a container releasably `confining a processing liquid and positioned between said sheets adjacent an edge of said area, one of said sheets being displaceable from superposition with the other shee to permit exposure of said photosensitive area, said apparatus comprising-in combination, walls defining a camera body, means for holding said lm unit with said photosensitve sheet and said image-carrying sheet superposed, means for engaging a portion of one of said sheets and swinging said engaged sheet out of superposition with said other sheet while said other sheet is held stationary, lens Vmeans for exposing said photosensitive area when said sheets are out of superposition, a nonreiiecting screen positionable between said i-mage-carrying sheet and said lens means when said sheets are out of superposition, means for moving said screen into light-excluding relationship with respect to said image-carrying sheet, said screen comprising a bladelike member normally positioned adjacent one wall of the camera body, means for rotating said bladelike screen around one edge 'thereof to cause said screen to move into superposition with said image-carrying sheet as said engaged sheet is moved to a position permitting exposure of said photosensitive area, and means comprising a pair cf pressure-applying surfaces mounted adjacent said holding means, said surfaces being adapted to compress said film unit during advancement of said unit between said surfaces, progressive subjection of said composite unit to compression providing release of said processing liquid from said container and spreading of said liquid between facing surfaces of said exposed photosensitive sheet and said image-carrying sheet.

8. Camera apparatus for use with a composite iilm unit, said unit comprising a photosensitive l sheetlinciudtngf- V'a photosensitive l silverhalide `layer 'carried'b'yi aebasaan imagecarry-in'g'sheet s superposed'withon area -of= saidphotosensitive layer` adapted tob'e'exposed-sto light, anda con- -tainer releasably coniningY a processingV liquid :pressure-applying* surfaces mounted adjacent said holdingmeans, saidsurfaces being adapted to compress said nlm unit during advancement or Y said unit 'between said surfacesprogressive suband positioned between said' sheetsadjacent any --edge ofA said area, one-of said-sheetsfbeing dis- I placeable from superpositionwith'theother sheet -to permit exposure of said 'photosensitive area, f

photosensitive; area while said' photosensitive sheet remains stationary in saidexposure posiu tion, means'ror exposing said photosensitive area Y when said sheets areout of superposition, a nonreiiecting screen, said screencomprising a bladelike membernormally positioned adjacent one wall of the cambera body, means for rotating said biadelike screen around one edge thereof to cause said screen to move into superposition with said image-carrying sheet as said engaged image-carrying sheet is swung to a position permitting exposure of said photosensitive area, and means comprising a pair of pressure-applying surfaces mounted adjacent said holding means, said surfaces being adapted to compress said film unit during advancement of said unit between said surfaces, progressive subjection of said composite unit to compression providing release of said processing liquid from said container and spreading of said liquid between facing surfaces of said exposed photosensitive sheet and said image-carrying sheet.

9. Camera apparatus for use with a composite film unit, said unit comprising a photosensitive sheet including a photosensitive silver halide layer carried by a base, an image-carrying sheet superposed with an area of said photosensitive layer adapted to be exposed to light, and a container releasably conning la processing liquid and positioned between said sheets adjacent an edge of said area, one of said sheets being displaceable from superposition with the other sh et to permit exposure of said photosensitive area, said apparatus comprising, in combination, walls dening a camera body, means for holding said nlm unit with said photosensitive sheet and image-carrying sheet superposed with said photosensitive sheet in exposure position in said camera, means for engaging a portion of said image-carrying sheet and swinging said imagecarrying sheet out of superposition with said photosensitive area While said photosensitive sheet remains stationary in said exposure position, means for exposing said photosensitive area when said sheets are out of superposition, a nonreflecting screen, said screen comprising a bladelike member normally positioned adjacent one wall or the camera body, means for rotating said biadelike screen around one edge thereof to cause said screen to move into superposition with said image-carrying sheet as said engaged imagecarrying sheet is swung to a position permitting exposure oi said photosensitive area, an operative connection between said sheet-swinging means and said screen-rotating means to cause rotation of said screen into superposition with said imagecarrying sheet as a result of movement of said swinging means, and means Icomprising a pair of `v jectionoi said'V composite unit to compression providing release of said processing liquid from said container and spreading of sa-id'liquid beftweenwfacing surfacesof said exposed photosensitivesheet and said image-carrying sheet.

10.Cameraapparatus:for use with a composite film" unit, said unit comprising a photosensitive sheet including aphotosensitive silver `halide layer carried by'a basa-an image-carrying sheet superposed with an area of said photosensitive layer adapted-to' be exposed to light, and-a container releasably `conning a processing liquid and positioned-between said sheets adjacent anedge of said` area, one Yof said sheets being displaceable from superposition withthe `other sheetito permit -exposureof saidfphotosensitive area, said apparatus comprising, Vin combination, walls 'dening acamera body, means 'for holding said nlm unit'with said photosensitive sheet and said image-carrying sheet superposed and with said photosensitive sheet in exposure position in said camera, means for engaging a portion of said image-carrying sheet and swinging said imagecarrying sheet out of superposition with said photosensitive area while said photosensitive sheet remains stationary in said exposure position, means for exposing said photosensitive area when said sheets are out of superposition, a nonreflecting screen, said screen comprising a bladelike member normally positioned adjacent one wall of the camera body, means for rotating said bladelike screen around one edge thereof to cause said screen to move into superposition with said image-carrying sheet as said engaged imagecarrying sheet is swung to a position permitting exposure of said photosensitive area, an operative connection between said sheet-swinging means and said screen-rotating means to cause rotation of said screen into superposition with said imagecarrying sheet as a result of movement of said swinging means, said operative connection being arranged so as to be rendered operative during only a part of the movement of said swinging means, and means comprising a pair of pressureapplying surfaces mounted adjacent said holding means, said surfaces being adapted to compress said film unit during advancement of said unit between said surfaces, progressive subjection of said composite unit to compression providing release of said processing liquid from said container and spreading of said liquid between facing surfaces of said exposed photosensitive sheet and said image-carrying sheet.

11. Camera apparatus for use with a composite film unit, said unit comprising a photosensitive sheet including a photosensitive silver halide layer carried by a base, and an image-carrying sheet superposed with an area of said photosensitive layer adapted to be exposed to light, one of said sheets being displaceable from superposition with the other sheet to permit exposure of said photosensitive area, said apparatus cornprising, in combination, walls dening a camera body, means for holding said nlm unit with said photosensitive sheet and said image-carrying sheet superposed and with said photosensitive sheet in exposure position in said camera, means for engaging a portion of said image-carrying sheet and swinging said image-carrying sheet out of superposition with said photosensitive area while said photosensitive sheet remains stationary in said exposure position, means forexposing said photosensitive area when said sheets are out of superposition, a nonreecting screen, said screen comprising a bladelike member normally positioned adjacent one Wall of the camera body, means for rotating said bladelike screen around one edge thereof to cause said screen to move into superposition with said image-carrying sheet as said engaged image-carrying sheet is swung to a position permitting exposure of said photoy sensitive area, and means providing a discharge opening through Which said two sheets of a unitl may be discharged in superposition from said camera.

l2. Camera apparatus for use with a composite 'film unit, said unit comprising a photosensitive :sheet including a photosensitive silver halide layer carried by a base, and an image-carrying sheet superposed with an area of said photo .sensitive layer adapted to be exposed to light,

one of said sheets being displaceable from superposition With said other sheet to permit exposure of said photosensitive area, said apparatus comprsing, in combination, means for holding said nlm unit with said photosensitive sheet and said image-carrying sheet superposed, means for en` gaging a portion of said photosensitive sheet and swinging said photosensitive `sheet out of superposition With said image-carrying sheet While said image-carrying sheet is held stationary and for moving said photosensitive sheet into exposure position in said camera, lens means for exposing said photosensitive area When said sheets are out of superposition, a nonreflecting screen adjacent said holding means, means for normally maintaining said screen rolled up, means for unrolling said screen, and an operative connection between said sheet-moving means and said unrolling means to cause unrolling of said screen as a result of movement of said photosensitive sheet into exu posure position, said operative connection being arranged so as to be rendered operative during at least part of the movement of said moving means.

MURRY N. FAIRBANK.

No references cited.

Certificate of Correction Patent No. 2,477,291 July 26, 1949 MURRY N. FAIRBANK It is hereby certified that errors appear in the printed specification of the above numbered patent requiring correction as follows:

Column 1, line 18, for the Word shields read sheets; column 5, line 63, for rollers reed collars; column 18, line 24, for cembera read camera;

and that the said Letters Patent should be read with these corrections therein that the seme may conform to the record of the case in the Patent Office.

Signed and sealed this 16th day of May, A. D. 1950.

[SEAL] THOMAS F. MURPHY,

Assistant Gommz'sszoner of Patents.

Certificate of Correction Patent No. 2,477,291 July 26, 1949 MURRY N. FAIRBANK It is hereby certified that errorsvappear in the printed specification of the above numbered patent requiring correction as follows:

Column 1, line 18, for the Word shields read sheets; column 5, line 63, for rollers read collars; column 13, line 24, for eembera read camera;

and that the said Letters Patent should be read with these corrections therein that the seme may conform to the record of the ease in the Patent Olce.

Signed and sealed this 16th day of May, A. D. 1950.

[sun] THOMAS F. MURPHY,

Assistant Gommz'sszoner of Patents. 

